Creeping Knotgrass, Polygonum chamaechyton Family: Polygonaceae
Creeping Knotgrass
Polygonum chamaechyton (P. humifusum)


Flowering time

Habitat

Part of the Polygonum aviculare group.
Stems remaining prostrate and +/- ridged. Heterophyllus, the leaves 7-12 x 1.5-2.5mm and 15-20 x 4-5mm. Long internodes, usually 15-30(-50)mm. Perianth lobed to 1/3 to 1/2. Buds usually deep rose-pink.
Can be variable - leaves either narrow and acute or broader and obtuse


Creeping Knotgrass, Polygonum chamaechyton

Creeping Knotgrass, Polygonum chamaechyton

Creeping Knotgrass, Polygonum chamaechyton
Creeping Knotgrass, Polygonum chamaechyton
Photographs: Kingston Lacy, Dorset. September 2020

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